5055005549978 has 8 divisors (see below), whose sum is σ = 7743838289472. Its totient is φ = 2473726120156.

The previous prime is 5055005549941. The next prime is 5055005550011. The reversal of 5055005549978 is 8799455005505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×5055005549978² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5055005549978.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26888327300 + ... + 26888327487.

It is an arithmetic number, because the mean of its divisors is an integer number (967979786184).

Almost surely, 2^{5055005549978} is an apocalyptic number.

5055005549978 is a deficient number, since it is larger than the sum of its proper divisors (2688832739494).

5055005549978 is a wasteful number, since it uses less digits than its factorization.

5055005549978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53776654836.

The product of its (nonzero) digits is 56700000, while the sum is 62.

The spelling of 5055005549978 in words is "five trillion, fifty-five billion, five million, five hundred forty-nine thousand, nine hundred seventy-eight".